Home / 2,980.60-4,468.37-1,882.51

Finding the Fourth Proportional to 2,980.60, 4,468.37 and 1,882.51

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Solution

The fourth proportional to 2,980.60, 4,468.37 and 1,882.51 is: 2,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980.60 : 4,468.37 = 1,882.51 : x
  2. Step 2: Convert to fraction form
    2,980.60/4,468.37 = 1,882.51/x
  3. Step 3: Cross multiply
    2,980.60x = 4,468.37 × 1,882.51
  4. Step 4: Simplify right side
    2,980.60x = 8,411,730.63
  5. Step 5: Solve for x
    x = 8,411,730.63/2,980.60
  6. Step 6: Final answer
    x = 2,822.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.